We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Flat Washer.
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Flat Washer Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Aug 06, 2025～Sep 02, 2025
This ranking is based on the number of page views on our site.

Flat Washer Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Aug 06, 2025～Sep 02, 2025
This ranking is based on the number of page views on our site.

  1. 由良産商株式会社　特販部　特販課 Osaka//Machine elements and parts
  2. 小林ワッシャー製作所 Saitama//Machine elements and parts
  3. サンワ・アイ Osaka//Manufacturing and processing contract
  4. 4 特殊発條興業 (トクハツ) Hyogo//Machine elements and parts
  5. 5 ウィルコ Kanagawa//Industrial Machinery
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Flat Washer Product ranking

Last Updated： Aggregation Period:Aug 06, 2025～Sep 02, 2025
This ranking is based on the number of page views on our site.

  1. Flat seat gold 300HV 由良産商株式会社　特販部　特販課
  2. Kobayashi Washer Manufacturing Co., Ltd. Company Profile 小林ワッシャー製作所
  3. Flat seat gold 300HV <JIS B 1256:2008 standard> サンワ・アイ
  4. Flat seat gold 300HV <Avoiding the risk of sinking during bolt fastening> サンワ・アイ
  5. 4 Flat washers for high-strength bolts. 特殊発條興業 (トクハツ)

Flat Washer Product List

16～20 item / All 20 items

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Flat seat gold 300HV

Flat seat gold 300HV

We respond to needs with mill sheets and inspection certificates! Please consider our proposal when estimating drawings with specification requirements.

This product is a flat washer with a hardness classification of 300HV. It prevents the nut or bolt head from sinking into the joined material. It can be used when the hole diameter is larger than the bolt diameter or to stabilize the seating surface. It meets needs with a mill certificate and inspection report. The material used is S45C to S55C (domestic material), and it has undergone bright hardening and tempering heat treatment. 【Features】 ■ JIS B1256:2008 ■ Standard shape / Component grade A ■ Marked with engraving ■ Hardness classification of 300HV ■ Comes with a mill certificate and inspection report *For more details, please refer to the PDF document or feel free to contact us.

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  • Other machine elements

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FYZ8-FYZ24 Flat Seat Gold Super Tool

FYZ8-FYZ24 Flat Seat Gold Super Tool

FYZ8-FYZ24 Flat Seat Gold Super Tool

Flat Washer FYZ Super Tool - Material: S45C - Heat Treatment: Hardness HRC 35-45 - Finish: Black Oxide

  • Vice Clamps
  • Other work tools

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Flat washers for high-strength bolts.

Flat washers for high-strength bolts.

Flat washers, washers for high-strength bolts, can be customized to special sizes, high precision [improved flatness and surface roughness], and we can propose solutions to prevent rotation.

Special Washers Flat washers, washers for high-strength bolts, and custom sizes are available. High precision [improved flatness and surface roughness] and proposals to prevent rotation can be provided. "Flat washers" are handled by Special Spring Industry Co., Ltd., which manufactures and sells thin plate springs, washers, functional springs, and more. Our products are used as flat washers for high-strength bolts and in automotive suspension systems. They reduce seating pressure and prevent loosening due to sinking. 【Features】 ■ Used for flat washers for high-strength bolts, etc. ■ Reduces seating pressure ■ Prevents loosening due to sinking *For more details, please refer to the catalog or feel free to contact us.

  • Spring
  • Axle parts
  • Other Auto Parts

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Kobayashi Washer Manufacturing Co., Ltd. Company Profile

Kobayashi Washer Manufacturing Co., Ltd. Company Profile

We will continue to promote products that satisfy our customers and a management system that ensures peace of mind!

Our company is committed to "customer satisfaction" as our management philosophy, providing products in various fields, primarily focusing on automobiles, electronics, and construction machinery. We were among the first to start manufacturing products using coil materials. This initiative stemmed from our desire to offer not just good products, but outstanding ones that exceed expectations. Since then, we have regularly updated our equipment to create an environment that allows us to provide products that meet our customers' needs. We will continue to actively work on reviewing and improving our production facilities, researching production technologies, and strengthening our quality assurance system. 【Business Activities (Partial)】 ■ Manufacturing of flat washers for embedded use ■ Manufacturing of various flat washers ■ Manufacturing of disc springs ■ Manufacturing of washers for terminals ■ Development, design, and manufacturing of molds *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Other Auto Parts
  • Other electronic parts

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Hex Nut and Flat Washer 'SHN-GJ/SWA-F-GJ'

Hex Nut and Flat Washer 'SHN-GJ/SWA-F-GJ'

Prevent corrosion caused by the adhesion of water droplets and other substances when the materials of the screw and the counterpart differ!

We would like to introduce our hex nuts and flat washers with dissimilar metal contact corrosion prevention treatment, 'SHN-GJ/SWA-F-GJ'. The surface treatment reduces electrical conductivity and suppresses the galvanic action between dissimilar metals that causes corrosion. It is suitable for securing aluminum components used outdoors. Additionally, we also offer hex bolts with dissimilar metal contact corrosion prevention treatment, 'SNH-GJ'. Please feel free to contact us for inquiries. 【Product Lineup (Partial)】 ■SHN-M5-GJ ■SHN-M6-GJ ■SHN-M8-GJ ■SHN-M10-GJ ■SHN-M12-GJ ■SHN-M16-GJ *For more details, please download the PDF or feel free to contact us.

  • nut

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